CN101838900B

CN101838900B - Clothes washing machine

Info

Publication number: CN101838900B
Application number: CN2010101777813A
Authority: CN
Inventors: 李揆焕; 闵宣雅; 林熙泰
Original assignee: Nanjing LG Panda Appliance Co Ltd
Current assignee: Nanjing LG Panda Appliance Co Ltd
Priority date: 2009-09-04
Filing date: 2010-05-09
Publication date: 2011-09-28
Anticipated expiration: 2030-05-09
Also published as: KR101644430B1; KR20110025563A; CN101838900A

Abstract

The present invention provides a structure of a driving part of clothes washing machine. The clothes washing machine of the invention comprises the following components: a washing tub which is used for storing washing water; a tumbling cylinder which is rotatably provided in the washing tube for accommodating the object being washed; a driving shaft which is connected with the tumbling cylinder; at least one bearing which is used for supporting the driving shaft; a motor which is provided outside the back wall of the washing tub and is connected with the driving shaft; and a bearing housing which is provided with a sleeve for accommodating the baring and a flange that is provided around the sleeve and combines with a stator of the rotor, wherein the bearing housing is embedded in the back wall of the washing tub.

Description

Washing machine

Technical field

The present invention relates to wash the washing machine of washings, more detailed saying so relates to a kind of drive division that is used to drive above-mentioned washing machine.

Background technology

In general, washing machine is the device that utilizes washing agent and mechanical type friction to wash, above-mentioned washing machine can be divided into top typed washing machine and prefix type washing machine substantially, above-mentioned washing machine jointly be provided be used to store washings wash bucket (promptly, water jacket) and the cylinder that is positioned at above-mentioned wash bucket and is used to wash washings (promptly, inside groove), more detailed theory, in above-mentioned top typed washing machine, the cylinder that is used to hold washings is placed vertically in the casing of washing machine, and its top is formed with inlet, thus, washings will be devoted in the above-mentioned cylinder by top that is formed on casing and the peristome that is communicated with the inlet of above-mentioned cylinder, and, in above-mentioned prefix type washing machine, the cylinder that is used to hold washings is set in the casing, and its inlet will be in the face of the front of washing machine, thus, washings will be devoted in the above-mentioned cylinder by front that is formed on above-mentioned casing and the peristome that is communicated with the inlet of above-mentioned cylinder, in above-mentioned top typed and prefix type washing machine, its jointly door be set at above-mentioned casing, and be used to open and close the peristome of above-mentioned casing.

And, the drives structure of above-mentioned washing machine can be divided into indirect syndeton and direct syndeton substantially, in indirect syndeton, the cylinder and the motor that are used to hold washings have pinion respectively, and above-mentioned pinion will be connected indirectly by conveyer belt, in addition, also can use the multiple mechanical structure that is used for connecting indirectly cylinder and motor, in addition, in direct syndeton, the rotor of motor will directly be connected with cylinder.

Be of compact construction during the washing machine comparison of above-mentioned prefix type washing machine and other type, washings is sustained damage, and, when directly syndeton and above-mentioned indirect connected mode compare, the power of motor can be passed to Wash tub in almost harmless lost territory, be extensive use of the prefix type washing machine that direct syndeton is arranged based on above-mentioned advantage recently.

In the washing machine of above-mentioned variform, motor will be configured in the rear wall parts of above-mentioned wash bucket under the situation of prefix type washing machine, and under the situation of top typed washing machine, will be configured in the bottom surface of above-mentioned wash bucket, particularly, under the situation of direct syndeton, effective transmission for power, it can directly be glued on the wash bucket, but, heavier in the above-mentioned motor because of being provided with the stator that has wire coil, and, owing to above-mentioned motor in the driving of washing machine, be that rotor is rotated high speed, to be delivered to more vibration in the wash bucket, thus, wash bucket that forms in the above-mentioned wash bucket and the joint portion between the motor are damaged easily under the weight of above-mentioned motor and vibration effect, for these reasons, it importantly has full intensity and rigidity.

In addition, constantly develop for effectively convenient washing washings in the washing machine of the variform that is mentioned to previously, but, on the multiple aspects such as minimizing of for example increase of washing capacity, the productivity raising in the manufacturing and noise, vibration, also need the improvement that continues backward.

Summary of the invention

In order to address the above problem, the object of the present invention is to provide a kind of washing machine with the wash bucket that is strengthened on the structure.

Another object of the present invention is to provide a kind of and on making, have high productive washing machine.

A further object of the present invention is to provide a kind of increase ground that does not have monnolithic case can increase the washing machine of washing capacity.

An also purpose of the present invention is to provide a kind of washing machine that reduces noise and vibration.

For achieving the above object, the present invention is achieved by the following technical solutions:

In order to achieve the above object, the washing machine among the present invention, it comprises: the wash bucket that is used to store washings; Be arranged in the above-mentioned wash bucket by rotatable, and be used to hold the cylinder of washings; The driving shaft that is connected with above-mentioned cylinder; Be used to support at least one bearing of above-mentioned driving shaft; Be installed in the outside of the rear wall of above-mentioned wash bucket, and the motor that is connected with above-mentioned driving shaft; Have the flange that is used to hold the sleeve of above-mentioned bearing and is provided in around the above-mentioned sleeve and combines, and be buried in the bearing housing in the rear wall of above-mentioned wash bucket with the stator of above-mentioned rotor.

Aforesaid washing machine is characterized in that: above-mentioned bearing housing is configured in the above-mentioned wash bucket rear wall and does not expose to above-mentioned wash bucket rear wall outside.

Aforesaid washing machine is characterized in that: it is encased above-mentioned bearing housing by the wash bucket rear wall on the whole.

Aforesaid washing machine is characterized in that: it is covered the outside of above-mentioned bearing housing by the wash bucket rear wall on the whole.

Aforesaid washing machine is characterized in that: above-mentioned flange prolongs to the radial direction outside from above-mentioned sleeve.

Aforesaid washing machine is characterized in that: above-mentioned flange is from the barrel end portion prolongation close with above-mentioned cylinder.

Aforesaid washing machine is characterized in that: above-mentioned flange has first extension that tilts to prolong from the terminal part with the close sleeve of above-mentioned cylinder.

Aforesaid washing machine is characterized in that: above-mentioned flange has second extension that vertically prolongs to the radial direction outside for the central shaft of above-mentioned sleeve from above-mentioned first extension.

Aforesaid washing machine is characterized in that: above-mentioned bearing housing has a plurality of radial direction ribs and the circumferencial direction ribs that is provided in above-mentioned flange.

Aforesaid washing machine is characterized in that: above-mentioned bearing housing is provided in above-mentioned flange, and has a plurality of chambers of the rear wall that is used to hold above-mentioned wash bucket.

The invention has the beneficial effects as follows: in the present invention, bearing housing and the design of wash bucket rear wall and the improvement of engineering will be realized, thus, the wash bucket of above-mentioned washing machine will be strengthened on its structure and be increased productivity, further, by the design and the improvement of engineering, the increase of the monnolithic case of its no washing machine and can increase washing capacity and reduce noise and vibration.

Description of drawings

Fig. 1 is the stereogram of an example of the washing machine among the present invention;

Fig. 2 is the stereogram of an example of the interior arrangement of the washing machine among the present invention;

Fig. 3 is the sectional view of wash bucket-bearing housing assembly;

Fig. 4 is the sectional view that appends of wash bucket-bearing housing assembly;

Fig. 5 is the stereogram of the bottom of stator;

Fig. 6 and Fig. 7 are the back quadrate part of bearing housing and the stereogram of front part;

Fig. 8 is the plane of the back quadrate part of bearing housing;

Fig. 9 is the side view of bearing housing;

Figure 10 is the part stereogram of bearing housing;

Figure 11 is the part stereogram of wash bucket-bearing housing assembly;

Figure 12 is the plane of the outside portion of wash bucket-bearing housing assembly;

Figure 13 is the plane of the inside portion of wash bucket-bearing housing assembly.

The specific embodiment

Below, with reference to the accompanying drawings, to being described in detail according to preferred embodiment of the present invention.

Followingly with reference to accompanying drawing but the preferred embodiment among the present invention of specific implementation above-mentioned purpose is described, shown in appended drawing, describe with reference to the prefix type washing machine among the present invention, still, it is not applicable in the top typed washing machine with can having substantial deformation.

Fig. 1 is the stereogram of an example of the washing machine among the present invention, and Fig. 2 is the stereogram of an example of the interior arrangement of the washing machine among the present invention.

As shown in Figure 1, washing machine has the casing 10 that forms profile, and portion is provided with various parts required in the washing within it, in order to form the front part of above-mentioned washing machine, front cover 11 is installed in the front part of above-mentioned casing 10, and, driving in order to control, control panel 30 is provided in above-mentioned casing 10.The front part of above-mentioned casing 10, be to have peristome in the front cover 11, above-mentioned peristome will be opened and be sealed by the door 20 that is set at casing 10 in the same manner, above-mentioned door 20 generally has round-shaped, but as shown in Figure 1, it also can be made into has rectangular-shapedly in fact, and above-mentioned rectangular door 20 can make the user see the inside of washing machine better, and helps improving the aesthetic appearance of washing machine.Be provided with a glass 21 in above-mentioned door 20, the user can see that the inside of washing machine is to confirm the state of washings by above-mentioned door glass 21.

Illustrate the various devices that are set at casing 10 inside among Fig. 2, at first, wash bucket 30 is arranged in use in above-mentioned casing 10 internal reservoir washings, above-mentioned wash bucket 30 can be made of front part 30a that mutually combines and back quadrate part 30b, cylinder 40 holds washings in order to wash, and be arranged in the above-mentioned wash bucket 30 by rotatable, above-mentioned wash bucket 30 and cylinder 40 are provided with by traverse, so that its inlet face is to the front part of above-mentioned casing 10, above-mentioned wash bucket and

cylinder

30,40 inlet is communicated with the peristome of the casing that is mentioned to previously, thus, when door 20 was opened, the user can be by the peristome and the wash bucket/cylinder 30 of above-mentioned casing, 40 inlet is invested in washings in the above-mentioned cylinder 40.Between the peristome of above-mentioned casing and wash bucket 30, provide the sealing gasket 22 of the leakage that is used to prevent washings and washings, and for the even distribution of the minimizing vibrated and washings and balance weight 23 can be set in above-mentioned wash bucket 30, in order to reduce Master Cost and to reduce weight, above-mentioned wash bucket 30 can be formed by the material of plastic material, and, above-mentioned cylinder 40 has a plurality of through holes that the washings that make in the above-mentioned wash bucket 30 enter into its inside, append ground, above-mentioned washing machine can be constituted as the function with oven dry washings, in order to realize above-mentioned drying function, though not shown in the washing machine, it can be provided with the hot-air that is used to generate the heater of hot-air and is used for generating and supply in the cylinder 40 and the air channel structure and the fan that circulate.Further, in order to improve washing and oven dry performance, washing machine can be constituted as to washings and supply with steam, thus, though not shown, can have the steam that is used to generate the heater of steam and is used for generating in the washing machine and supply to nozzle and multiple device in the cylinder 40.

And, in above-mentioned wash bucket 30, be provided with drive unit, above-mentioned cylinder 40 will be rotated with the washing washings by above-mentioned drive unit, in above-mentioned drive unit, as shown in Figure 2, motor 70 is configured on the rear wall parts of wash bucket 30, above-mentioned motor 70 utilizes driving shaft 41 that cylinder 30 directly is rotated, more detailed theory, the anterior end of above-mentioned driving shaft 41 at first combines with the rear wall of cylinder 30, the anterior end of above-mentioned driving shaft 41 can directly be connected with the rear wall of above-mentioned cylinder 30, but, for more stable combination and transmission of power, the anterior end of above-mentioned driving shaft 41 will at first be incorporated into spider 42, and above-mentioned spider 42 will be installed in the rear wall of cylinder 40, and above-mentioned driving shaft 41 will connect the rear wall parts of wash bucket 30, as shown in Figures 3 and 4, its rear end will combine with the motor 70 of the outside that is positioned at wash bucket 30.

Comprise stator 50 and rotor 60 in the above-mentioned motor 70, at first, as shown in Figures 3 and 4, stator 50 is installed on the rear wall parts of above-mentioned wash bucket 30, details drawing illustrates the bottom of said stator 50 among last Fig. 5, more accurate theory, consider the installment state that illustrates among Fig. 3 and Fig. 4, said stator 50 will be set at the wash bucket rear wall with the state of placing vertically, the bottom that illustrates will dispose with the wash bucket rear wall is close, thus, in the orientation of actual component, the bottom that illustrates among Fig. 5 will become and the right front part of wash bucket 40 rear surfaces, said stator 50 has core basically for magnetic field generates, shown in the monnolithic case of the stator among Fig. 5, above-mentioned core constitutes to the teeth that radial direction prolongs by annular base with from above-mentioned base, above-mentioned core can be made by variform, but preferably can constitute by the spirality core, the spirality core will be by having set shape (promptly, base and teeth) metal band twine and make with spirality, above-mentioned spirality core can reduce the loss of material and manufacturing engineering is oversimplified.Teeth portion at above-mentioned core is wound with coil 52 as shown in the figure, said stator 50 has the insulator 51 that encases above-mentioned coil, above-mentioned insulator 51 has and the core corresponding shape that illustrates previously, promptly, as shown in Figure 5, above-mentioned insulator 51 has the pedestal part 51a of the base that encases core and encases the 51b of teeth portion of the teeth of core, in addition, as previously mentioned, because the spirality core is made by wound strips, in manufacturing process, will concentrate more stress on the band, particularly, on the inner peripheral surface of core pedestal part, will concentrate more stress, core self will be formed on the inner circumferential surface, and be difficult to have the joint portion that stator is incorporated into the wash bucket rear wall, therefore, replace above-mentioned core and will be at the inner peripheral surface of above-mentioned insulator 51, promptly on the inner peripheral surface of pedestal part 51b, form joint portion 53, above-mentioned joint portion 53 will be equivalent to the part of above-mentioned insulator 51, promptly, above-mentioned joint portion 53 prolongs to the radial direction inboard from the inner peripheral surface of above-mentioned insulator 51, and, in order to possess suitable intensity, it will stride across two terminal prolongations of the inner peripheral surface of above-mentioned insulator 51, above-mentioned joint portion 53 portion within it has the combined hole 53a that combination member is connected, in order to strengthen above-mentioned combined hole 53a, in above-mentioned combined hole 53a, can insert the stiffener of other tubular attitude, therefore, utilize above-mentioned joint portion 53 and combination member, said stator 50 can be installed in the rear wall of wash bucket 30.

As shown in Figures 3 and 4, above-mentioned rotor 60 is constituted as and encases said stator 50, thus, said stator 50 will be configured in the inside of above-mentioned rotor 60, promptly, above-mentioned rotor 60 is equivalent to the externally positioned type rotor, and by the configuration of above-mentioned rotor and stator, above-mentioned motor 70 will be equivalent to the externally positioned type motor, comprise in the above-mentioned rotor 60 from its central portion to first framework 61 of radial direction prolongation and second framework 62 that prolongs side by side at the centre of rotor axle from above-mentioned first framework 61, central portion at above-mentioned first framework 61 is formed with the sleeve 60a with through hole, above-mentioned second framework 62 separates with set interval in the teeth of said stator 50, and prolongs side by side at the terminal surface of above-mentioned teeth.And, on the inner peripheral surface of above-mentioned second framework 62, be formed with placement section, permanent magnet 63 is configured on the above-mentioned placement section with the teeth of said stator 50 with facing, further, as shown in the figure, above-mentioned first framework 61 tilts with set angle, more detailed theory, above-mentioned first framework 61 tilts to said stator 50 or wash bucket 30, thus, above-mentioned first framework 61 will be by densification more, makes not interfering with close other device and the wall body of casing, together is tilted under the situation of configuration with motor 70 at above-mentioned wash bucket 30, under the effect of first framework 61 that has been formed slopely, rotor 60 can will be can protrude to the wall of casing 10, be tilted under the situation of configuration at above-mentioned wash bucket 30 and motor 70 on the contrary, first framework 61 of above-mentioned inclination can keep set interval and with the wall and the row arrangement of close casing 10.For the foregoing reasons, have at washing machine under the situation of wash bucket 30, cylinder 40 and motor 70 of inclination, also will need not for fear of expansion cabinet 10 with the interference of rotor 60, and the size that can dwindle casing 10 on the contrary.

Above-mentioned rotor 60 utilizes connector 64 in order to combine with above-mentioned driving shaft 41, above-mentioned connector 64 at first is clamped to the sleeve 60a of above-mentioned rotor, it utilizes combination member and rotor 60, accurately say so and combine with first framework 61, and, the rear terminal part of above-mentioned driving shaft 41 will be inserted in the above-mentioned connector 64, and utilize combination member 64a to combine with above-mentioned connector 64.Thus, above-mentioned rotor 60 by with catch up with state connector 64 that driving shaft 41 combines again in conjunction with and combine with above-mentioned driving shaft 41, make and revolving force can be directly passed to the cylinder 40 that is connected with above-mentioned driving shaft 41, above-mentioned connector 64 is made of the plastic material as the electric insulation material, make and prevent that electric current from leaking into cylinder 40 from rotor 60 by driving shaft 41, thus, above-mentioned connector 64 can prevent that the user from geting an electric shock.And because the damped vibration to a certain degree of above-mentioned plastic connector 64, under the effect of above-mentioned connector 64, the vibration of the rotor 60 that produces in the rotation will not be delivered to driving shaft 41 at a high speed.

Above-mentioned driving shaft 41 is rotated at a high speed by above-mentioned motor 70, simultaneously, except cylinder 40, the weight of washings and washings also will be loaded into above-mentioned driving shaft 41, therefore, at least one bearing 43 of the above-mentioned driving shaft 41 of rotatable support will be provided for, for above-mentioned bearing 43 is offered driving shaft 41, need the structure that is used to support and fix above-mentioned bearing 43, in washing machine, will provide bearing housing 100 based on above-mentioned purpose, above-mentioned bearing housing 100 is at Fig. 3, detailed icon among Fig. 4 and Fig. 6-9, at first, illustrate the cross section of the assembly of bearing housing and wash bucket among Fig. 3, it is for the flange that illustrates bearing housing described later preferably and circumferencial direction ribs and draw along the I-I line of Figure 12, also illustrate the cross section of the assembly of bearing housing and wash bucket among Fig. 4, mainly the II-II line along Figure 12 draws in order to illustrate radial direction ribs described later preferably for it, above-mentioned Fig. 3 and Fig. 4 are with noted earlier identical, it illustrates the driving shaft 41 that is installed in wash bucket 30 simultaneously, spider 42, stator 50, the cross section of rotor 60, and, illustrate the stereogram of above-mentioned bearing housing among Fig. 6-9 respectively, plane, side view.

Illustrate preferably in the drawing as previously mentioned, can have the sleeve 110 that is used to hold bearing 43 in the above-mentioned bearing housing 100, and, can comprise the flange 120 that combines with said stator 50 in the above-mentioned bearing housing 100, above-mentioned flange 120 be provided in above-mentioned sleeve 110 around, above-mentioned sleeve 110 and flange 120 can be formed by mutual other member, but it preferably forms one, integrated by above-mentioned sleeve 110 and flange 120, above-mentioned bearing housing 100 will possess high intensity and rigidity, thereby but stable support is fixed in the stator 50 of above-mentioned bearing housing 100.Above-mentioned bearing housing 100, be that sleeve 110 and flange 120 also will be integrated with above-mentioned wash bucket 30, more accurate theory, above-mentioned bearing housing 100, promptly sleeve 110 and flange 120 will be integrated with the rear wall of wash bucket 30, for the above-mentioned integrated several different methods that adopts, for example can use the insertion injection mo(u)lding, for above-mentioned combination based on moulding, above-mentioned wash bucket 30 is made of plastic material in order to reduce Master Cost and minimizing weight, and can utilize mould molding to make.In addition, above-mentioned bearing housing 100 is in order to ensure the intensity of its requirement and rigidity and can be made of metal material, and for example, above-mentioned bearing housing 100 can be made of aluminium alloy, and can make by die cast.In above-mentioned insertion injection mo(u)lding, above-mentioned bearing housing 100 will be made in advance, and in the mould of wash bucket, insert the bearing housing 100 finish making, more accurate theory, above-mentioned bearing housing 100 by pre-configured in the space of the rear wall parts that is used to form above-mentioned mould, subsequently, the plastics that will be fused are injected in the above-mentioned mould, thus, above-mentioned bearing housing 100 and above-mentioned wash bucket 30 (that is the rear wall of wash bucket) will form a body.As previously mentioned, because above-mentioned bearing housing 100 has high intensity and rigidity, integratedly make above-mentioned wash bucket 30 (promptly by above-mentioned, the rear wall of wash bucket) on its structure, strengthened, and, if under the other situation of making of above-mentioned bearing housing 100 and wash bucket rear wall, need the engineering of appending that above-mentioned bearing housing 100 is installed on wash bucket 30, but, as previously mentioned, when making above-mentioned bearing housing 100 form one with wash bucket 30, the engineering and the member of running in bearings casing 100 will do not needed to be used for, thus, will make the production engineering simplification not need the member that appends that is used to assemble, thereby reduce production costs and improve productivity.

And, by above-mentioned engineering of integrating, above-mentioned bearing housing 100 will be inserted in the rear wall of above-mentioned wash bucket 30, the above-mentioned bearing housing that is inserted into 100 may expose to the wash bucket outside, for example, among Fig. 3 and Fig. 4, the surface close with the stator of above-mentioned bearing housing 100 may do not covered by the wash bucket rear wall and expose on the whole, in the case, owing to need not bearing housing 100 usefulness wash bucket rear walls are encased fully, thereby the mould that is used in wash bucket 30 becomes simple and reduces production cost, still, the above-mentioned bearing housing that is exposed 100 can separate from above-mentioned wash bucket 30 under the effect of vibration that acts on repeatedly and weight easily.Therefore, as shown in Fig. 3 and Fig. 4, above-mentioned bearing housing 100, that is, sleeve 110 and flange 120 will be buried in the rear wall of above-mentioned wash bucket 30, and, above-mentioned bearing housing 100, that is, sleeve 110 and flange 120 will be built in the rear wall of above-mentioned wash bucket 30, promptly, above-mentioned bearing housing 100, that is, sleeve 110 and flange 120 are configured in the above-mentioned rear wall, and do not expose to the outside of above-mentioned wash bucket rear wall.More detailed theory, above-mentioned bearing housing 100, that is, sleeve 110 and flange 120 are encased by the wash bucket rear wall on the whole, in other words, and above-mentioned bearing housing 100, that is, the outside of sleeve 110 and flange 120 is covered by the wash bucket rear wall on the whole.On the other hand, above-mentioned bearing housing 100, promptly, sleeve 110 and flange 120 are configured between the outside and inner face of above-mentioned wash bucket rear wall, on the other hand, and above-mentioned at least bearing housing 100, that is, sleeve 110 and flange 120 is covered by the wash bucket rear wall on the whole with the close surface of said stator 50.Again on the one hand, between said stator 50 and above-mentioned flange 120, dispose above-mentioned wash bucket rear wall parts, above-mentioned rear wall parts will cover above-mentioned flange 120, in the same manner, between said stator 50 and above-mentioned sleeve 110, dispose above-mentioned wash bucket rear wall parts, above-mentioned rear wall parts will cover above-mentioned sleeve 110, foregoing buried bearing housing 100 will be followed the insertion injection mo(u)lding basically, it can improve productivity once and reduce production cost, and, because above-mentioned wash bucket rear wall will cover the integral body of the outside of above-mentioned bearing housing 100,, and greatly increase bond strength with the contact area that increases between above-mentioned bearing housing 100 and the wash bucket rear wall.Bond strength by above-mentioned increase, can obtain the intensity of above-mentioned wash bucket rear wall self and the result that rigidity also is enhanced in fact, thus, but above-mentioned wash bucket rear wall and bearing housing 100 are with the above-mentioned motor 70 of stable support, particularly heavier stator 50, and also can be not damaged under the situation of weight that is subjected to acting on repeatedly and vibration.

Followingly above-mentioned bearing housing 100 is described in more details with reference to relevant drawings.

At first, with reference to Fig. 3 and Fig. 4, above-mentioned sleeve 110 is contained in its inside with above-mentioned bearing 43, and, above-mentioned sleeve 110 also is contained in its inside in order to be supported by above-mentioned bearing 43 with the part of driving shaft 41, as shown in the figure, above-mentioned sleeve 110 is made of the cylindrical shell member that its inside has certain space, above-mentioned sleeve 110 is configured in the central part of wash bucket rear wall, and prolong along the central shaft of wash bucket, thus, above-mentioned sleeve 110 will have with the close first terminal 110a of cylinder 40 and with the second close terminal 110b of above-mentioned motor (being rotor 60 or stator 50), when considering the actual orientation of the structural element that is assembled among Fig. 3 and Fig. 4, the above-mentioned first terminal 110a and the second terminal 110b will be equivalent to the leading section and the rearward end of above-mentioned sleeve 110.In general, when the interval that is supported by bearing 43 is big more, above-mentioned driving shaft 41 will more stably be rotated, therefore, the prolongation that will extend as much as possible of above-mentioned sleeve 110, more detailed theory, above-mentioned sleeve 110 prolongs from the inner face or the inside portion of the rear wall of above-mentioned wash bucket 30, during the actual orientation of the wash bucket that the inner face of above-mentioned wash bucket 30 rear walls or inside portion illustrate in considering Fig. 3 and Fig. 4, it will be equivalent to the front and the front part of above-mentioned wash bucket 30 rear walls.In addition, above-mentioned sleeve 110 will reach the joint portion of rotor 60 and driving shaft 41, above-mentioned sleeve 110 will closely prolong with the joint portion of rotor 60 and driving shaft 41 or extend to above-mentioned joint portion, that is, above-mentioned sleeve 110 will closely prolong with the rear end of driving shaft 41.Thus, above-mentioned sleeve 110 will have quite long length, and the major part that can encase above-mentioned driving shaft 41 supports with stable, further, because above-mentioned sleeve 110 has the long length of the joint portion from the inner face of wash bucket 30 rear walls to rotor 60 and driving shaft 41, it will protrude both measured lengths from wash bucket 30 rear walls.

In above-mentioned sleeve 110, preferably can provide a plurality of bearings, more stably to support above-mentioned driving shaft 41, for example, above-mentioned the place ahead and rear bearing 43a, 43b will be set at the place ahead and the rear of above-mentioned sleeve 110 respectively, with the place ahead and the back quadrate part of supporting driving shaft 41.And, being formed with stairstepping fixture block 111 at the inner face of above-mentioned sleeve 110, above-mentioned bearing 43a, 43b will be blocked by above-mentioned stairstepping fixture block 111, thus, will can not separate from above-mentioned sleeve 110.And, rearward end at above-mentioned sleeve 110, promptly be formed with groove 112 at second terminal part, above-mentioned groove 112 beyond Fig. 3 and Fig. 4 also at Fig. 6, illustrate preferably in 8, above-mentioned groove 112 is accurately said so and will be formed on the terminal surface of the sleeve of facing with above-mentioned rotor 60 110, and prolong to circumferencial direction, because its profile will sharply change on the corner location of the terminal part of above-mentioned sleeve 110, in forming process, may be applied to above-mentioned corner location at the plastics that form wash bucket preferably, and, based on identical reason, a part that is glued to the wash bucket of above-mentioned corner location may be separated easily, but, the plastics that are melted in forming process will be filled above-mentioned groove 112, thus, and in the wash bucket that is done-bearing housing assembly, above-mentioned groove 112 will be by the plastics that are solidified, and promptly the part as wash bucket is filled.Under the effect of above-mentioned groove 112, wash bucket will possess wideer contact-making surface with above-mentioned sleeve 110 and can not separated easily at the corner location of above-mentioned end portion, and increase the bond strength of wash bucket 30 and sleeve 110 more.

Shown in Fig. 3,4,6,7 and 9, above-mentioned flange 120 be provided in above-mentioned sleeve 110 around, above-mentioned flange 120 prolongs to the radial direction outside from above-mentioned sleeve 110, above-mentioned flange 120 can partly be formed on the periphery of above-mentioned sleeve 110, but as shown in the figure, above-mentioned flange 120 preferably is formed on the whole in the periphery of above-mentioned sleeve 110, thus, can increase the intensity and the rigidity of wash bucket 30 rear walls that comprise bearing housing 100 in fact by above-mentioned flange 120.Above-mentioned flange 120 also can be from prolonging with the second terminal part 110b of the close sleeve 110 of above-mentioned motor 70 or from the pars intermedia of above-mentioned sleeve 110, but, as previously mentioned, above-mentioned sleeve 110 has the long length of the joint portion that extends to above-mentioned motor 60 and driving shaft 41, and, above-mentioned sleeve 30 is formed and covers above-mentioned flange 120, therefore, the flange 120 that is formed on above-mentioned second terminal part 110b or pars intermedia will unnecessarily increase the thickness of above-mentioned wash bucket 30 rear walls, and increase the volume of the back quadrate part of wash bucket 30-motor 70 assemblies.For these reasons, above-mentioned flange 120 will prolong from the first terminal part 110a with the close sleeve 110 of above-mentioned cylinder 40, and above-mentioned flange 120 will reduce the thickness of above-mentioned wash bucket 30 rear walls on the whole, thereby washing machine is made by compactness.

And, above-mentioned flange 120 can be nonangular from the first terminal part 110a of above-mentioned sleeve 110, promptly the central shaft with sleeve 110 vertically prolongs, but, because wash bucket 30 is substantially shaped as and encases above-mentioned flange 120, measurable drawing in the sectional view as Fig. 3 and Fig. 4, above-mentioned flange 120 will make with the inner face of close wash bucket 30 rear walls of cylinder 40 (promptly, the front of wash bucket 30 rear walls on the drawing), thus, will be difficult to designed roller 40 and possess big capacity on the whole to cylinder 40 side shiftings.For these reasons, above-mentioned flange 120 have from the terminal part of the close sleeve of above-mentioned cylinder 30, the i.e. first extension 120a that tilt to prolong from the first terminal part 110a, the above-mentioned first extension 120a as shown in the figure, it remotely tilts to above-mentioned motor 70 from cylinder 40, thus, the above-mentioned first extension 120a will reduce the thickness of wash bucket 30 rear walls, and help having the design of jumbo cylinder 30.And, can obtain making the actual effect that is increased to the zone (A) that dots in cross section of flange 120 by the first extension 120a that is tilted, thereby increase the intensity and the rigidity of bearing housing 100 and wash bucket 30.And, because the first extension 120a that is tilted can make wash bucket 30 rear walls be strengthened more on its structure across the rear wall of wash bucket 30.In addition, for forced washing bucket 30 rear walls, above-mentioned flange 120 need be prolonged to radial direction outside lengthening, but, when 120 of above-mentioned flanges are made of the first extension 120a that is tilted on the whole, to possess bigger height in fact at the above-mentioned flange 120 of the terminal part of flange 120, this and the essential factor that will become the thickness that increases above-mentioned wash bucket 30 as previously mentioned.Therefore, above-mentioned flange 120 will have from the above-mentioned first extension 120a and not have obliquely the second extension 120b that prolongs with both measured lengths to the radial direction outside, the above-mentioned second extension 120b accurately says so the central shaft from above-mentioned first extension 120a and above-mentioned sleeve 110 is vertically prolonged to the radial direction outside, under the effect of the above-mentioned second extension 120b, above-mentioned flange 120 will possess the fully size of forced washing bucket 30 rear walls and intensity of self and rigidity, and the while can suitably keep the size of wash bucket 30 rear walls, thus, the above-mentioned second extension 120b will make washing machine be able to densification preferably.Comprise that the flange 120 of above-mentioned first and

second extension

120a, 120b is formed the radius of 2/3 size of the radius with wash bucket 30 rear walls, on the other hand, as shown in Figures 3 and 4, above-mentioned flange 120 at the inner face of wash bucket 30 rear walls (promptly, the front) extend to the place of curved face part 35c (with reference to Fig. 4) beginning, above-mentioned big I is structurally fully strengthened above-mentioned rear wall and sleeve 120 self.And, the above-mentioned first extension 120a strides across close with it motor 70 at least, promptly, striding across above-mentioned rotor 60 prolongs, that is, the radius of the above-mentioned first extension 120a will be greater than above-mentioned motor 70, the i.e. radius of rotor 60, the first extension 120a of above-mentioned size can not increase the thickness of wash bucket rear wall, and helps increasing in the sleeve of identical size the design of cylinder 40 capacity.And, as shown in Figures 3 and 4, except above-mentioned first and second extension, above-mentioned flange 120 have with close first 120c of cylinder 40 and with second close 120d of above-mentioned motor (being rotor 60 or stator 50), when considering the actual orientation of the structural element that is assembled among Fig. 3 and Fig. 4, above-mentioned first 120c and second 120d will be equivalent to the front and the back of above-mentioned flange 120.And, as shown in the figure, above-mentioned flange 120 can have a plurality of through hole 120e, promptly, comprise a plurality of through hole 120e that are formed on above-mentioned flange 120 in the above-mentioned bearing housing 100, above-mentioned through hole 120e makes the plastics that are melted pass through in forming process, the plastics that are melted flow by above-mentioned through hole 120e, and can be evenly distributed to the integral surface of above-mentioned bearing housing 100, thus, above-mentioned through hole 120e will help the even contact of wash bucket rear wall and bearing housing 100, and increase its bond strength, and, when moulding finishes, above-mentioned through hole 120e will be filled by above-mentioned wash bucket rear wall, thus, by above-mentioned through hole 120e the contact area of wash bucket rear wall and bearing housing 100 will be increased, and increase its bond strength.

And, have in the above-mentioned bearing housing 100 be formed on the above-mentioned flange 120 in conjunction with axle sleeve 121, above-mentionedly combine with said stator 50 in conjunction with axle sleeve 121, above-mentioned in conjunction with axle sleeve 121 Fig. 3,4 and Fig. 6,8 in illustrate preferably, above-mentionedly prolong to stator 50 from above-mentioned flange 120 in conjunction with axle sleeve 121, that is, above-mentioned in conjunction with axle sleeve 121 from above-mentioned flange 120 backward quadrate part prolong.When considering said structure, above-mentionedly will closely be configured on the above-mentioned flange 120 with above-mentioned motor 70 in conjunction with axle sleeve 121, more detailed theory, above-mentioned in conjunction with axle sleeve 121 be configured in second close 120d of motor on, rather than first 120c of flange, above-mentionedly will be in fact prolong side by side at the central shaft of above-mentioned sleeve 110 in conjunction with axle sleeve 121.As shown in the figure, above-mentioned bearing housing 100 can have a plurality of in conjunction with axle sleeve 121, its center from bearing housing 100 around above-mentioned sleeve 110 is configured with having identical radius, and, above-mentioned also identical mutually in conjunction with the distance of the circumferencial direction between the axle sleeve 121, thus, said stator 50 can be incorporated into above-mentioned in conjunction with axle sleeve 121 with being stabilized.And, because said stator 50 is heavier members, above-mentioned in conjunction with axle sleeve 121 for the stable support of stator and fixing and need high intensity and rigidity, therefore, above-mentionedly will be formed on the first extension 120a that has high intensity and rigidity basically in conjunction with axle sleeve 121.

Above-mentioned in conjunction with axle sleeve 121 within it portion have combined hole 121a, as illustrating preferably among Fig. 4, the joint portion 53 of said stator 50 is configured in above-mentioned in conjunction with on the axle sleeve 121, and its combined hole 53a is communicated with the combined hole 121a of axle sleeve, subsequently, combination member 53b will connect above-mentioned combined hole 53a and be incorporated into combined hole 121a, thus, by aforesaid joint portion 53 with in conjunction with the combination of axle sleeve 121, the flange 120 that said stator 50 will be incorporated into above-mentioned bearing housing 100 (promptly, the first extension 120a), will be installed on the rear wall of wash bucket 30 simultaneously.

And, as Fig. 3,4 and Fig. 6,8 shown in, have the circumferencial direction ribs 122 and the radial direction ribs 124 that are formed on the above-mentioned flange 120 in the above-mentioned bearing housing 100, and, and, also can have the dividing plate 123 that is formed on the above-mentioned flange 120 in the above-mentioned bearing housing 100, above-mentioned ribs 122,124 and dividing plate 123 from above-mentioned flange 120 to motor, promptly prolong to stator 50, that is, and will be from the quadrate part prolongation backward of above-mentioned flange 120.Consider said structure, above-mentioned ribs 122,124 and dividing plate 123 will closely be configured on the above-mentioned flange 120 with above-mentioned motor 70, more detailed theory, above-mentioned ribs 122,124 and dividing plate 123 will be configured in second close 120d of motor on, and, above-mentioned circumferencial direction ribs 122 and dividing plate 123 prolong side by side at the central shaft of above-mentioned sleeve 110 in fact, above-mentioned ribs 122,124 and dividing plate 123 except bearing housing 100, also can greatly improve the intensity and the rigidity of the rear wall of above-mentioned wash bucket 30 basically.

Followingly above-mentioned ribs 122,124 and dividing plate 123 are described in more details with reference to relevant drawings.

At first, in above-mentioned circumferencial direction ribs 122, as Fig. 6 and shown in Figure 8, have in the above-mentioned bearing housing 100 and the above-mentioned sleeve 110 close first circumference ribs 122a that are configured, the above-mentioned first circumference ribs 122a prolongs continuously along circumferencial direction around above-mentioned sleeve 110, and, the above-mentioned first circumference ribs 122a has certain radius promptly at interval for the center of bearing housing 100, more detailed theory, the above-mentioned first circumference ribs 122a makes and is above-mentionedly interconnected in conjunction with axle sleeve 121, thus, to make by the above-mentioned first circumference ribs 122a and above-mentionedly on its structure, to be strengthened in conjunction with axle sleeve 121, and, have in the above-mentioned bearing housing 100 with the above-mentioned first circumference ribs 122a by near the configuration and the second circumference ribs 122b that prolongs to circumferencial direction, promptly, the above-mentioned second circumference ribs 122b separates set interval to radial direction from the above-mentioned first circumference ribs 122a, the above-mentioned second circumference ribs 122b has certain radius for the center of bearing housing 100, the radius of the above-mentioned second circumference ribs 122b is greater than the radius of the above-mentioned first circumference ribs 122a, and the above-mentioned second circumference ribs 122b plays the intensity of the pars intermedia of strengthening above-mentioned flange 120 and the effect of rigidity.

Above-mentioned bearing housing 100 has the dividing plate 123 of the radial direction end that is formed on above-mentioned flange 120, aforementioned barriers 123 will prolong to circumferencial direction along the radial direction terminal part of above-mentioned flange 120, aforementioned barriers 123 is extended at least and is higher than the above-mentioned second circumference ribs 122b, and aforementioned barriers 123 plays the effect of the end of strengthening flange 120 more weak on its structure.And, aforementioned barriers 123 prevents flowing of the plastics that are melted in forming process, thus, the plastics that are melted are stayed on the above-mentioned flange 120, promptly, the plastics that are melted will be stayed between aforementioned barriers 123 and sleeve 110 by the pass, thus, under the effect of aforementioned barriers 123, above-mentioned bearing housing 120, particularly ribs 122,124 will and form the wash bucket rear wall with the plastics even contact, and the bond strength of intensified bearing casing and wash bucket rear wall.In addition, corner location in the handing-over of the end of aforementioned barriers 123 and flange 120, the profile of bearing housing 100 will change significantly, therefore, the wash bucket rear wall will be separated easily on this corner location, for these reasons, has the accessory flange 123a that prolongs to the radial direction outside from aforementioned barriers 123 in the above-mentioned bearing housing 100, above-mentioned accessory flange 123a also can be in fact by from above-mentioned flange 120, the extension that appends that prolongs from the second extension 120b of accurately saying so constitutes, under the effect of above-mentioned accessory flange 123a, to the profile variation at above-mentioned corner location be reduced, and the contact area of increase and wash bucket rear wall, thus, the bond strength between bearing housing 100 and the wash bucket rear wall is strengthened on the contrary.And, between aforementioned barriers 123 and above-mentioned accessory flange 123a, can be formed with auxiliary ribs 123b, above-mentioned auxiliary ribs 123b also can make above-mentioned auxiliary ribs 123b be strengthened on its structure except aforementioned barriers 123.Further, the groove 123c that can have the radial direction end that is formed on above-mentioned flange 120 in the above-mentioned bearing housing 100, more accurate theory, above-mentioned groove 123c is provided in the peripheral part of aforementioned barriers 123, above-mentioned groove 123c is used to hold the plastics that are melted when moulding, thus in the wash bucket that is done-bearing housing assembly, the part that to hold the wash bucket rear wall, because above-mentioned groove 123c will increase the contact area of bearing housing 100 and wash bucket rear wall, thereby its bond strength is also together increased.Above-mentioned groove 123c can relatively form by close as shown in the figure dividing plate 123, accessory flange 123a, auxiliary ribs 123b, the part of radial direction end that also can be by cutting away above-mentioned flange 120 or the part of aforementioned barriers 123 form, by foregoing dividing plate 123, accessory flange 123a, auxiliary ribs 123b and groove 123c, the radial direction terminal part of above-mentioned bearing housing 100 will greatly be strengthened on its structure.

And, in above-mentioned radial direction ribs 124, shown in Fig. 6 and 8, has at least one the first radius ribs 124a that is configured on the above-mentioned flange 120 in the above-mentioned bearing housing 100, in order to strengthen intensity and rigidity, preferably have a plurality of first radius ribs 124a in the bearing housing 120, to the terminal prolongation continuously of the radial direction of above-mentioned flange 120, the above-mentioned first radius ribs 124a will be configured with same intervals along circumferencial direction the above-mentioned first radius ribs 124a from above-mentioned sleeve 110.Shown in Fig. 4,6,9, for the above-mentioned sleeve 110 of stable support, the above-mentioned first radius ribs 124a with the connecting portion of above-mentioned sleeve 100 on have the height of the second terminal 110b from above-mentioned flange 120 to the rear that is positioned at above-mentioned sleeve 110, when if the above-mentioned first radius ribs 124a maintains height on the connecting portion on the whole, above-mentioned wash bucket 30 will have the thickness that is increased in order to cover the above-mentioned first radius ribs 124a, thereby increase the size of wash bucket and washing machine.Therefore, in order not increase the thickness of wash bucket 30 rear walls, as shown in the figure, the above-mentioned first radius ribs 124a has the height that reduces gradually along radial direction, promptly, the end close with the motor of the first radius ribs 124a tilts to flange 120, and, the height that reduces gradually is formed on the set position with the close above-mentioned first radius ribs 124a of above-mentioned sleeve 110, to not increase the thickness of wash bucket rear wall by the above-mentioned first radius ribs 124a, and make stator 50 be disposed at above-mentioned wash bucket rear wall, thereby make wash bucket-electric machine assembly densification more by more close.

And, as Fig. 4,6, shown in 8, above-mentioned bearing housing 100 has the second radius ribs 124b that is configured between the above-mentioned first radius ribs 124a on the above-mentioned flange 120, in the same manner, bearing housing 120 can have a plurality of second radius ribs 124b for its structural reinforcement, the above-mentioned second radius ribs 124b is configured with identical distance along circumferencial direction, above-mentioned second radius ribs 124b and the above-mentioned first radius ribs 124a can extend to the radial direction end of above-mentioned flange 120 in the same manner from above-mentioned sleeve 110, but, in the case, near above-mentioned first and second radius ribs 124a above-mentioned sleeve 110, it is very narrow that interval between the 124b will become, and makes to be difficult to make bearing housing 100.For the foregoing reasons, the above-mentioned second radius ribs 124b will not be connected with above-mentioned sleeve 110, more detailed theory, and the above-mentioned second radius ribs 124b extends to the radial direction end of above-mentioned flange 120 from the place that separates set interval with above-mentioned sleeve 110.And, preferably, the above-mentioned second radius ribs 124b is connected with the first circumference circumference ribs 122a, and the above-mentioned first circumference circumference ribs 122a and the second radius ribs 124b are supported mutually by above-mentioned connection, further, the above-mentioned second radius ribs 124b also be connected in conjunction with axle sleeve 121 and support above-mentioned in conjunction with axle sleeve 121.

As Fig. 3,4 and Fig. 8 in illustrate preferably, has the first groove 100a that is used to hold stator 50 in the above-mentioned bearing housing 100, promptly, at least the part of said stator 50 will be inserted in the above-mentioned first groove 100a, the above-mentioned first groove 100a is configured on the pars intermedia of above-mentioned flange 120 to radial direction, and, the above-mentioned first groove 100a also prolongs to circumferencial direction, thus, said stator 50 will not protruded from above-mentioned wash bucket rear wall significantly, thereby make wash bucket-electric machine assembly densification.And, can there be the protuberance of variform with the close position of the wash bucket rear wall of said stator 50, above-mentioned protuberance is mainly formed by insulator, and will form inevitably on the design aspect of stator 50.Therefore, as illustrating preferably among Fig. 3,4, can have the second groove 100b that is used to hold above-mentioned protuberance in the above-mentioned bearing housing 100, further, as shown in Figure 5, said stator 50 also has multiple decoration 55 with the close position of above-mentioned wash bucket rear wall, above-mentioned decoration 55 can be used for to motor 70 supply powers terminal, be used for the sensor etc. of the position of detection rotor.Thus, as Fig. 4 and shown in Figure 6, can have the 3rd groove 100c that is used to hold above-mentioned decoration 55 in the above-mentioned bearing housing 100, the protuberance of above-mentioned insulator and decoration 55 will be positioned at the close portion of the wash bucket rear wall of the stator 50 that has accommodated the above-mentioned first groove 100a, i.e. 50 front parts of stator on the drawing.Thus, above-mentioned second and third groove 100b, 100c are connected with the above-mentioned first groove 100a basically in order to hold its protuberance and decoration 55 or are communicated with, and will forwards protrude more from the above-mentioned first groove 100a on the drawing, its result, above-mentioned second and third groove 100b, 100c also will together hold said stator 50 in fact with the above-mentioned first groove 100a, thereby make wash bucket-electric machine assembly auxiliaryly, particularly make wash bucket rear wall densification.Above-mentioned first to the 3rd groove 100a, 100b, 100c can form by the height with the close position of said stator 50, its protuberance and decoration 55 that reduces above-mentioned circumference and radial direction ribs 122,124, more detailed theory, as illustrating preferably among Fig. 3 and Fig. 4, above-mentioned radial direction ribs 124 can have cut 124c, 124d, the 124e that is formed on the close position of itself and stator 50, and above-mentioned cut 124c, 124d, 124e can form first, second, third groove 100a, 100b, 100c respectively.And, as Fig. 3 and shown in Figure 6, because the height that above-mentioned the 3rd groove 100c will make its peripheral ribs is step-down significantly, this may make the intensity and the rigidity step-down of the bearing housing 100 in above-mentioned the 3rd groove 100c, therefore, in order to replenish intensity and rigidity, as shown in Figure 6, auxiliary circumference ribs 122c can form with above-mentioned the 3rd groove 100c is close.

Above-mentioned bearing housing 100 also has a plurality of chambers 125 that are provided on the above-mentioned flange 120, above-mentioned chamber 125 illustrates in Fig. 6 and Fig. 8 preferably, when considering the shape that in above-mentioned drawing, illustrates, when above-mentioned chamber 125 is considered its shape that illustrates, it can be made of groove, that is, above-mentioned chamber 125 can be equivalent to the open chamber of part, above-mentioned chamber 125 and above-mentioned motor 70 closely promptly are configured on the above-mentioned flange 120 in the face of above-mentioned motor 70 ground.Accurately say, above-mentioned chamber 125 be configured in second close 120d of motor on, more detailed theory, above-mentioned chamber 125 is arranged continuously along the radial direction of above-mentioned bearing housing 100, and it is also arranged continuously along the circumferencial direction of above-mentioned bearing housing 100.Above-mentioned chamber 125 will hold above-mentioned wash bucket rear wall, promptly, above-mentioned chamber 125 will be filled by above-mentioned wash bucket rear wall, more accurate theory, the wall body of above-mentioned chamber 125 is coated with by above-mentioned wash bucket rear wall, thus, by above-mentioned chamber 125 contact area of wash bucket rear wall and bearing housing 100 will greatly be increased, and its bond strength is also increased.And, because the formation of above-mentioned chamber 125, above-mentioned bearing housing 100, particularly flange 120 is also strengthened on its structure, and this will increase the intensity and the rigidity of wash bucket rear wall self, further, as shown in the figure, above-mentioned through hole 120e can be provided in above-mentioned chamber 125 respectively, by the interaction of above-mentioned through hole 120e and chamber 125, can increase the bond strength of wash bucket and bearing housing 100 and intensity, the rigidity of wash bucket rear wall more.

Further, above-mentioned chamber 125 has different size mutually, more detailed theory, as shown in the figure, has different size mutually to the continuously arranged chamber 125 of the radial direction of bearing housing 100, simultaneously, to have identical size mutually to the continuously arranged chamber 125 of the circumferencial direction of bearing housing 100, and, the size of above-mentioned chamber 125 increases gradually along the radial direction of above-mentioned bearing housing 100, promptly, the chamber 125 that is configured in the radial direction outside of above-mentioned bearing housing 100 will be formed the chamber 125 greater than the radial direction inboard that is configured in above-mentioned bearing housing 100, though driving shaft 41 in bearing housing 100 by bearing 43 by rotatable support, the beginning of the unexpected rotation of motor 70 and driving shaft 41 or the change of direction of rotation will apply the torsion of moment to the wash bucket rear wall, above-mentioned torsion may cause fatigue rupture repeatedly.And, above-mentioned torsion together increases along with the increase of radius from the center of wash bucket rear wall, as previously mentioned, the chamber 125 that is configured in the radial direction outside is during with relative chamber 125 comparisons that are configured in the radial direction inboard, because of its bigger size will have bigger contact area, thus, the chamber 125 that is configured in the radial direction outside is during with relative chamber 125 comparisons that are configured in the radial direction inboard, to have bigger and bond strength bearing chamber 100 and bigger intensity and rigidity, therefore, the arrangement of above-mentioned chamber 125 will be given full intensity and rigidity to the wash bucket rear wall for the torsion that increases along with radial direction, above-mentioned chamber 125 can be by cutting away flange 120, second 120b cutting away above-mentioned flange 120 and forming accurately says so, on the other hand, above-mentioned chamber 125 can be by the circumferencial direction and the radial direction ribs 122 of mutual cross arrangement, 124 form.

More detailed theory, can have the first chamber 125a on every side that is configured in above-mentioned sleeve 110 in the above-mentioned bearing housing 100, and, can have the second chamber 125b on every side that is configured in the above-mentioned first chamber 125a in the above-mentioned bearing housing 100 and be configured in the above-mentioned second chamber 125b the 3rd chamber 125c on every side.As previously mentioned, the above-mentioned first chamber 125a disposes continuously along circumferencial direction, and has identical size mutually, and above-mentioned second chamber and the

3rd chamber

125b, 125c also will have identical structure.And, above-mentioned first to the

3rd chamber

125a, 125b, 125c are disposed continuously along radial direction, as previously mentioned, the size of above-mentioned chamber increases gradually along radial direction, that is, the above-mentioned second chamber 125b will be greater than the above-mentioned first chamber 125a, and above-mentioned the 3rd chamber 125c will be greater than the above-mentioned second chamber 125b, as previously mentioned, but above-mentioned chamber for intensity and the rigidity of the moment of torsion that produces in the wash bucket rear wall with intensified bearing casing 100 and wash bucket rear wall.

As Fig. 4 and shown in Figure 7, above-mentioned bearing housing 100 also has at least one groove 126 on every side that is configured in above-mentioned sleeve 110, above-mentioned groove 126 is formed on flange 120, more accurate saying so is formed on the first extension 120a of flange 120, more detailed theory, above-mentioned groove 126 is disposed by close with above-mentioned cylinder 40, promptly, above-mentioned groove 126 is configured in around the first terminal 110a of the close sleeve of above-mentioned cylinder 40, above-mentioned groove 126 is provided in first 120d with the close flange 120 of above-mentioned cylinder 40, above-mentioned groove 126 will prolong to above-mentioned motor 70, above-mentioned groove 126 will hold the wash bucket rear wall, that is, above-mentioned groove 126 will be filled by the wash bucket rear wall.Thus, to increase the contact area of wash bucket rear wall and bearing housing 100 by above-mentioned groove 126, and increase its bond strength, further, above-mentioned groove 126 by be configured in above-mentioned sleeve 110 around, will support above-mentioned sleeve 110 and it is structurally strengthened.Based on above-mentioned purpose, as illustrating preferably among Fig. 7, above-mentioned bearing housing 100 can have a plurality of grooves 126, above-mentioned groove 126 has identical radius from the center of bearing housing 100 and is configured around above-mentioned sleeve 110, and, circumferencial direction distance between the above-mentioned groove 126 will be identical mutually also, thus, above-mentioned groove 126 can be strengthened the intensity of above-mentioned sleeve 110 biglyyer, and, as previously mentioned, based on former in the design thereby can't around sleeve 110, dispose more radius ribs, therefore, as Fig. 4,6, shown in 8, above-mentioned bearing housing 100 have be provided in above-mentioned in conjunction with the accessory flange 126a between axle sleeve 121 and the sleeve 110, promptly, above-mentioned accessory flange 126a will connect above-mentioned in conjunction with axle sleeve 121 and above-mentioned sleeve 110, because above-mentioned accessory flange 126 prolongs to circumferencial direction in fact, it can not have being configured between the radial direction ribs 124 in the design difficultly, simultaneously can replace the radial direction ribs and supports and above-mentionedly strengthened on its structure in conjunction with axle sleeve 121.In addition, owing to above-mentioned groove 126 and accessory flange 126a both will be close mutually around being configured in sleeve 110, therefore, above-mentioned accessory flange 126a can be designed to form the bottom of above-mentioned groove 126, that is, above-mentioned accessory flange 126a can form one with above-mentioned groove 126, by the above-mentioned integrated more effectively design that realizes bearing housing 100, thus, when the manufacturing of bearing housing 100, can make the engineering simplification, and can reduce the use of material.

In addition, as previously mentioned, when being installed, stator 50 needs stator and in conjunction with the combined hole 53a of axle sleeve, the alignment of 121a, but, make above-mentioned alignment operation be not easy to carry out owing to said stator 50 is quite heavy, therefore, for the above-mentioned combined hole 53a that aligns, 121a, has the determining positions structure that said stator 50 is positioned at above-mentioned wash bucket rear wall in the washing machine, above-mentioned determining positions structure can be made of as shown in Figure 11 determining positions groove 37 that is formed on the wash bucket rear wall and the determining positions protuberance 54 that is provided in stator 50 as shown in Figure 5, above-mentioned determining positions groove 37 can be disposed in conjunction with axle sleeve 121 or combined hole 121a by close, in the same manner, above-mentioned determining positions protuberance 54 also can be by close joint portion 53 or the combined hole 53a of being disposed at.When stator 50 is installed, above-mentioned determining positions protuberance 54 will be inserted into above-mentioned determining positions groove 37, thus, said stator 50 will be configured in accurately the position so that combined hole 53a, 121a are aligned, thereby make the alignment of easy execution combined hole and the installation of stator, above-mentioned determining positions groove 37 can be provided in stator to replace being provided in wash bucket, and in the same manner, above-mentioned determining positions protuberance 54 can be provided in wash bucket to replace being provided in stator.And, under 37 situations about forming of above-mentioned determining positions groove by wash bucket rear wall as plastics, can't have high intensity and rigidity, therefore, above-mentioned determining positions groove 37 may be by damaged in installation exercise, for these reasons, as shown in figure 10, can have the support portion 121b that supports above-mentioned determining positions groove 37 in the above-mentioned bearing housing 100, above-mentioned support portion 121b is formed on the above-mentioned flange 120, and upwards rheme is put 37 prolongations of decision groove, more detailed theory, above-mentioned support portion 121b is used to form the axle sleeve of the wash bucket rear wall of above-mentioned determining positions groove 37 with support, thus, under the effect of above-mentioned support portion 121b, above-mentioned determining positions groove 37 will strengthened on its structure and can be by breakage during at installation exercise.And, above-mentioned support portion 121b can be connected to above-mentioned in conjunction with axle sleeve 121, in the case, decision groove 37 in Support Position when above-mentioned support portion 121b can support in conjunction with axle sleeve 121, the support portion 121b of above-mentioned many purposes can realize the more effectively design of bearing housing 100, to reach the effect that engineering is oversimplified and material reduces.

As preceding in detail as described in, in the above-mentioned bearing housing 100 except sleeve 100 and flange 120, also will have the multiple structure that is provided in above-mentioned sleeve 110 and flange 120, for example, in above-mentioned sleeve 110, provide end difference) 111 and groove 112, thus, can be considered to have end difference 111 and groove 112 in the bearing housing 100, also have end difference 111 and groove 112 in the above-mentioned sleeve 110 simultaneously.And, in above-mentioned flange 120, provide axle sleeve 121, ribs 123,124, dividing plate 123 and chamber 125 and groove 126, in the same manner, flange 120 also can be considered to except having said structure (121-126), all supplementary structures that provide in the said structure also are provided, and, as previously mentioned, because bearing housing 100 is made into by die casting or other multiple mode and has a body, except above-mentioned sleeve 110 and flange 120, all structures that wherein provide, promptly aforementioned primary structure (111,112,121-127) and supplementary structure (hereinafter referred to as appending structure) will all be formed one, and, based on identical reason, above-mentioned bearing housing 100, promptly sleeve 110, flange 120 and append structure will with above-mentioned wash bucket 30, more detailed say so integrated with the wash bucket rear wall.

Further, above-mentioned bearing housing 100, it is sleeve 110, flange 120 and appending in the rear wall that structure will be buried in above-mentioned wash bucket 30, and, above-mentioned bearing housing 100, it is sleeve 110, flange 120 and appending in the rear wall that structure will be built in above-mentioned wash bucket 30, in other words, above-mentioned bearing housing 100, it is sleeve 110, flange 120 and append structure and be configured in the above-mentioned rear wall and do not expose more detailed theory, above-mentioned bearing housing 100 to the outside of above-mentioned wash bucket rear wall, it is sleeve 110, flange 120 and append structure except by the end difference 111 except sleeve 110, it will be encased by the wash bucket rear wall on the whole, in other words, and above-mentioned bearing housing 100, it is sleeve 110, the flange 120 and the outside of appending structure thereof are except end difference 111, and it is covered by the wash bucket rear wall on the whole.On the other hand, above-mentioned bearing housing 100, be sleeve 110, flange 120 and append structure and be configured between the outside and inner face of above-mentioned wash bucket rear wall, on the other hand, at least above-mentioned bearing housing 100, be sleeve 110, flange 120 and append structure it is covered by the wash bucket rear wall on the whole with the close surface of said stator 50, again on the one hand, dispose above-mentioned wash bucket rear wall parts between said stator 50 and above-mentioned flange 120 (comprise and append structure), above-mentioned rear wall parts will cover above-mentioned flange 120 and append structure.

The recapitulative feature of the bearing housing 100 that illustrates previously can be applicable to individually respectively that this can be understood easily in its structural element (sleeve 110, flange 120 and the various structure of appending) from relevant drawings and aforementioned related description.

Figure 12 and Figure 13 are built-in with the outside portion of wash bucket rear wall of bearing housing and the plane of inside portion.

As previously mentioned, to make above-mentioned wash bucket rear wall encase above-mentioned bearing housing 100 on the whole by the moulding engineering, it will cover the outside of above-mentioned bearing housing 100 on the whole, thus, as shown in figure 12, the outside portion of above-mentioned wash bucket rear wall will have and the corresponding shape of the shape of above-mentioned bearing housing 100, that is, the outside portion of above-mentioned wash bucket rear wall will have the identical in fact or similar profile of part with the close bearing housing 100 in above-mentioned outside.More detailed theory, the outside portion of above-mentioned wash bucket rear wall will have respectively with above-mentioned bearing housing in conjunction with axle sleeve 121, circumferencial direction ribs 122, dividing plate 123 and radial direction ribs 124 corresponding axle sleeve 31, circumferencial direction ribs 32 and radial direction ribs 34, above-mentioned axle sleeve 31, circumferencial direction ribs 32 and radial direction ribs 34 will be provided in the position on the outside that combines axle sleeve 121, circumferencial direction ribs 122, dividing plate 123 and radial direction ribs 124 corresponding above-mentioned wash bucket rear walls with above-mentioned bearing housing respectively.That is, above-mentioned axle sleeve 31, circumferencial direction ribs 32 and radial direction ribs 34 will be configured in above-mentioned bearing housing in conjunction with axle sleeve 121, circumferencial direction ribs 122, dividing plate 123 and radial direction ribs 124 just above.And, with above-mentioned bearing 31 and ribs 32,34 in the same manner, as shown in Figures 3 and 4, the outside portion of above-mentioned wash bucket rear wall has and corresponding first to the 3rd groove 36a of first to the 3rd groove 100a, 100b, the 100c of bearing housing, 36b, 36c, and, in the same manner, above-mentioned first to the 3rd groove 36a, 36b, 36c will be configured in above-mentioned first to the 3rd groove 100a, 100b, 100c just above.And, as shown in Figures 3 and 4, above-mentioned wash bucket rear wall has the skirt section 33 that encases above-mentioned motor 70, above-mentioned skirt section 33 is spaced with set interval from above-mentioned motor 70, and prolong to above-mentioned motor 70 from above-mentioned wash bucket rear wall, will prevent that by above-mentioned skirt section 33 washings or the foreign substances of being leaked from entering into motor 70.And, provide the axle sleeve 39 of the bolt that is used to transfer in the outside portion of above-mentioned wash bucket rear wall, above-mentioned switching bolt will connect the wall body of casing and be incorporated into above-mentioned sleeve 39, thus, other device that makes above-mentioned sleeve 30 and motor, cylinder etc. be installed in wash bucket is not subjected to fixing in the process of transporting damagedly.Above-mentioned axle sleeve 39 has the combined hole that combines with the switching bolt, but because combined hole has less diameter, make after moulding the combined hole and axle sleeve 39 will easy deformation, therefore, the combined hole of above-mentioned axle sleeve 39 is made of through hole, by above-mentioned combined hole as through hole, axle sleeve 39 can obtain cooling immediately after by moulding, thereby can prevent that it from deforming.

And, as shown in figure 13, the inside portion of above-mentioned wash bucket rear wall is also based on having and the corresponding shape of the shape of above-mentioned bearing housing 100 with identical reason noted earlier, promptly, the inner face of above-mentioned wash bucket rear wall also will have the identical in fact or similar profile of part with the close bearing housing 100 of above-mentioned inner face, as previously mentioned, in conjunction with axle sleeve 121, ribs 122,124 and the structural element of protrusion such as dividing plate 123 all closely be configured on second 120d of above-mentioned flange with above-mentioned motor 70, thus, the smoothed in fact formation of part with the close bearing housing 100 in the inside portion of above-mentioned wash bucket rear wall, promptly, in above-mentioned bearing housing 100, first 120d of flange, the inner face that is preceding aspect and above-mentioned wash bucket rear wall forms in the face of ground is level and smooth, thus, the inner face of above-mentioned wash bucket rear wall is also with smoothed formation, promptly, do not comprise big protuberance or groove in the inside portion of above-mentioned wash bucket rear wall and the inner face in fact, more detailed theory, the inside portion of above-mentioned wash bucket rear wall have with the corresponding first extension 35a of the first extension 120a of above-mentioned bearing housing and with the corresponding second extension 35b of the second extension 120b, and the inside portion of above-mentioned wash bucket rear wall has the curved face part 35c of the inside portion that is used to connect above-mentioned rear wall and sidewall.Above-mentioned cylinder 40 is rotated in the driving high speed, thus, to produce strong air between the rear wall of the inner face of above-mentioned wash bucket rear wall and cylinder 40 flows, when if the inner face of above-mentioned wash bucket rear wall has big protuberance and depressed part in fact, the big noise that above-mentioned strong air flows and will cause, but, because the smoothed on the whole formation of inner face of above-mentioned wash bucket rear wall, Qiang Buhui produces the noise that above-mentioned air flows and causes, thereby can greatly reduce noise in the driving of washing machine.And, because the inside portion and the smoothed formation of inner face of above-mentioned wash bucket rear wall, it does not have and can produce the protuberance of interfering with above-mentioned cylinder 40, thus, in the wash bucket 30 of identical size, can make above-mentioned cylinder 40 be designed to bigger by above-mentioned level and smooth wash bucket rear wall inner face and inside portion.Further, as preceding explaining over and over again, can produce above-mentioned wash bucket rear wall parts compactly by multiple design improvement, thus, wash bucket 30 can be designed to bigger in the casing of identical size, above-mentioned cylinder 40 also can be designed to bigger in the same manner, the inner face and the medial surface of wash bucket rear wall parts by above-mentioned densification and level and smooth wash bucket rear wall, above-mentioned cylinder 40 can be become big in fact, thus, the size (being volume) that need not to increase washing machine also can increase the washing capacity of washing machine, improvement in the above-mentioned design can improve productivity and reduce producing cost, further, above-mentioned improvement can realize having the washing machine of bigger washing capacity under the situation that no substantial price increases, thereby provides substantial interests to the user.

Even in the above a plurality of embodiment are illustrated, under the situation that does not exceed technological thought of the present invention and scope, the technical staff of relevant industries can make it specialize by other variform more, therefore, the foregoing description should be considered to exemplary rather than be intended to limit the present invention, appended claim and with it all embodiment in the equivalency range will be contained in the scope of the present invention.

Claims

1. washing machine comprises:

Be used to store the wash bucket of washings;

Be arranged in the above-mentioned wash bucket by rotatable, and be used to hold the cylinder of washings;

The driving shaft that is connected with above-mentioned cylinder;

Be used to support at least one bearing of above-mentioned driving shaft;

Be installed in the outside of the rear wall of above-mentioned wash bucket, and the motor that is connected with above-mentioned driving shaft;

Have the flange that is used to hold the sleeve of above-mentioned bearing and is provided in around the above-mentioned sleeve and combines, and be buried in the bearing housing in the rear wall of above-mentioned wash bucket with the stator of above-mentioned rotor; Above-mentioned flange prolongs to the radial direction outside from above-mentioned sleeve; It is characterized in that,

Above-mentioned flange is from the barrel end portion prolongation close with above-mentioned cylinder;

Above-mentioned flange has first extension that tilts to prolong from the terminal part with the close sleeve of above-mentioned cylinder;

Above-mentioned flange has second extension that vertically prolongs to the radial direction outside for the central shaft of above-mentioned sleeve from above-mentioned first extension.

2. washing machine according to claim 1 is characterized in that:

Above-mentioned bearing housing is configured in the above-mentioned wash bucket rear wall and does not expose to above-mentioned wash bucket rear wall outside.

3. washing machine according to claim 1 is characterized in that:

It is encased above-mentioned bearing housing by the wash bucket rear wall on the whole.

4. washing machine according to claim 1 is characterized in that:

It is covered the outside of above-mentioned bearing housing by the wash bucket rear wall on the whole.

5. washing machine according to claim 1 is characterized in that:

Above-mentioned bearing housing has a plurality of radial direction ribs and the circumferencial direction ribs that is provided in above-mentioned flange.

6. washing machine according to claim 1 is characterized in that:

Above-mentioned bearing housing is provided in above-mentioned flange, and has a plurality of chambers of the rear wall that is used to hold above-mentioned wash bucket.